Due to the battery itself, the battery capacity is not reasonable or its use time is too long, resulting in performance degradation;
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Excessive load on the car, for example, during the operation of the car, carrying heavy things or people, resulting in the need for more power;
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The brake is too tight or the brake rebound is weak, and the power consumption is too high.
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Blindly change the wiring, in order to make the car run faster, increase the battery burden;